<template>
  <div class="app-container">
    <el-form
      :model="queryParams"
      ref="queryRef"
      :inline="true"
      v-show="showSearch"
      label-width="68px"
    >
      <el-form-item label="品类名称" prop="name">
        <el-input
          v-model="queryParams.name"
          placeholder="请输入品类名称"
          clearable
          @keyup.enter="handleQuery"
        />
      </el-form-item>
      <el-form-item label="状态" prop="start">
        <el-select
          v-model="queryParams.start"
          placeholder="请选择状态"
          style="width: 140px"
          clearable
        >
          <el-option
            v-for="dict in category_type"
            :key="dict.value"
            :label="dict.label"
            :value="dict.value"
          />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="Search" @click="handleQuery"
          >搜索</el-button
        >
        <el-button icon="Refresh" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="Plus"
          @click="handleAdd"
          v-hasPermi="['system:category:add']"
          >新增</el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button type="info" plain icon="Sort" @click="toggleExpandAll"
          >展开/折叠</el-button
        >
      </el-col>
      <right-toolbar
        v-model:showSearch="showSearch"
        @queryTable="getList"
      ></right-toolbar>
    </el-row>

    <el-table
      v-if="refreshTable"
      v-loading="loading"
      :data="categoryList"
      row-key="id"
      :default-expand-all="isExpandAll"
      :tree-props="{ children: 'children', hasChildren: 'hasChildren' }"
    >
      <el-table-column label="品类名称" prop="name" />
      <el-table-column label="品类图片" align="center" prop="image" width="100">
        <template #default="scope">
          <image-preview :src="scope.row.image" :width="50" :height="50" />
        </template>
      </el-table-column>
      <el-table-column label="父级品类" align="center" prop="parentId" />
      <el-table-column label="状态" align="center" prop="start">
        <template #default="scope">
          <dict-tag :options="category_type" :value="scope.row.start" />
        </template>
      </el-table-column>
      <el-table-column label="排序序号" align="center" prop="sortInt" />
      <el-table-column
        label="操作"
        align="center"
        class-name="small-padding fixed-width"
      >
        <template #default="scope">
          <el-button
            link
            type="primary"
            icon="Edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['system:category:edit']"
            >修改</el-button
          >
          <el-button
            link
            type="primary"
            icon="Plus"
            @click="handleAdd(scope.row)"
            v-hasPermi="['system:category:add']"
            >新增</el-button
          >
          <el-button
            link
            type="primary"
            icon="Delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['system:category:remove']"
            >删除</el-button
          >
        </template>
      </el-table-column>
    </el-table>

    <!-- 添加或修改品类信息对话框 -->
    <el-dialog :title="title" v-model="open" width="500px" append-to-body>
      <el-form
        ref="categoryRef"
        :model="form"
        :rules="rules"
        label-width="80px"
      >
        <el-form-item label="品类名称" prop="name">
          <el-input v-model="form.name" placeholder="请输入品类名称" />
        </el-form-item>
        <el-form-item label="品类图片" prop="image">
          <image-upload v-model="form.image" />
        </el-form-item>
        <el-form-item label="父级品类" prop="parentId">
          <el-tree-select
            v-model="form.parentId"
            :data="categoryOptions"
            :props="{ value: 'id', label: 'id', children: 'children' }"
            value-key="id"
            placeholder="请选择父级品类"
            check-strictly
          />
        </el-form-item>
        <el-form-item label="状态" prop="start">
          <el-radio-group v-model="form.start">
            <el-radio
              v-for="dict in category_type"
              :key="dict.value"
              :label="dict.value"
              >{{ dict.label }}</el-radio
            >
          </el-radio-group>
        </el-form-item>
        <el-form-item label="介绍" prop="introduction">
          <el-input
            v-model="form.introduction"
            type="textarea"
            placeholder="请输入内容"
          />
        </el-form-item>
        <el-form-item label="备注" prop="remark">
          <el-input
            v-model="form.remark"
            type="textarea"
            placeholder="请输入内容"
          />
        </el-form-item>
        <el-form-item label="排序序号" prop="sortInt">
          <el-input v-model="form.sortInt" placeholder="请输入排序序号" />
        </el-form-item>
      </el-form>
      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="submitForm">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template>

<script setup name="Category">
import {
  listCategory,
  getCategory,
  delCategory,
  addCategory,
  updateCategory,
  selectCategoryListByParentId,
} from "@/api/system/category";

const { proxy } = getCurrentInstance();
const { category_type } = proxy.useDict("category_type");

const categoryList = ref([]);
const categoryOptions = ref([]);
const open = ref(false);
const loading = ref(true);
const showSearch = ref(true);
const title = ref("");
const isExpandAll = ref(true);
const refreshTable = ref(true);

const data = reactive({
  form: {},
  queryParams: {
    name: null,
    start: null,
  },
  rules: {
    name: [{ required: true, message: "品类名称不能为空", trigger: "blur" }],
    image: [{ required: true, message: "品类图片不能为空", trigger: "blur" }],
    start: [{ required: true, message: "状态不能为空", trigger: "change" }],
    sortInt: [{ required: true, message: "排序序号不能为空", trigger: "blur" }],
  },
});

const { queryParams, form, rules } = toRefs(data);

/** 查询品类信息列表 */
function getList() {
  loading.value = true;
  listCategory(queryParams.value).then((response) => {
    categoryList.value = proxy.handleTree(response.data, "id", "parentId");
    loading.value = false;
  });
}

/** 查询品类信息下拉树结构 */
function getTreeselect() {
  listCategory().then((response) => {
    categoryOptions.value = [];
    const data = { id: 0, id: "顶级节点", children: [] };
    data.children = proxy.handleTree(response.data, "id", "parentId");
    categoryOptions.value.push(data);
  });
}

// 取消按钮
function cancel() {
  open.value = false;
  reset();
}

// 表单重置
function reset() {
  form.value = {
    id: null,
    name: null,
    image: null,
    parentId: null,
    start: null,
    introduction: null,
    remark: null,
    createBy: null,
    createTime: null,
    updateBy: null,
    updateTime: null,
    sortInt: null,
  };
  proxy.resetForm("categoryRef");
}

/** 搜索按钮操作 */
function handleQuery() {
  getList();
}

/** 重置按钮操作 */
function resetQuery() {
  proxy.resetForm("queryRef");
  handleQuery();
}

/** 新增按钮操作 */
function handleAdd(row) {
  reset();
  getTreeselect();
  if (row != null && row.id) {
    form.value.parentId = row.id;
  } else {
    form.value.parentId = 0;
  }
  open.value = true;
  title.value = "添加品类信息";
}

/** 展开/折叠操作 */
function toggleExpandAll() {
  refreshTable.value = false;
  isExpandAll.value = !isExpandAll.value;
  nextTick(() => {
    refreshTable.value = true;
  });
}

/** 修改按钮操作 */
async function handleUpdate(row) {
  reset();
  await getTreeselect();
  if (row != null) {
    form.value.parentId = row.id;
  }
  getCategory(row.id).then((response) => {
    form.value = response.data;
    open.value = true;
    title.value = "修改品类信息";
  });
}

/** 提交按钮 */
function submitForm() {
  proxy.$refs["categoryRef"].validate((valid) => {
    if (valid) {
      if (form.value.id != null) {
        updateCategory(form.value).then((response) => {
          proxy.$modal.msgSuccess("修改成功");
          open.value = false;
          getList();
        });
      } else {
        addCategory(form.value).then((response) => {
          proxy.$modal.msgSuccess("新增成功");
          open.value = false;
          getList();
        });
      }
    }
  });
}

/** 删除按钮操作 */
function handleDelete(row) {
  proxy.$modal
    .confirm('是否确认删除品类信息编号为"' + row.id + '"的数据项？')
    .then(function () {
      return delCategory(row.id);
    })
    .then(() => {
      getList();
      proxy.$modal.msgSuccess("删除成功");
    })
    .catch(() => {});
}

getList();
</script>
